DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:21:46 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 230/Upshur VRSN: W 230-908/Union Grove ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 10,366,115 0.7883 13,149,962 7 674 .245754001 2 A 10,363,443 0.8364 12,390,534 9 225 .093510336 3 A 10,431,460 0.8547 12,204,820 8 146 .070350777 4 A 10,295,553 0.9779 10,528,227 8 78 .078194483 5 D3 25,610,191 0.9821 26,076,969 25 1,394 .027520942 6 G1 22,742,825 1.0667 21,320,732 6 64 .026099966 7 G1 22,699,365 0.9714 23,367,681 5 23 .002614863 8 G1 24,436,426 0.9938 24,588,877 4 7 .004258289 9 G1 19,137,056 1.0534 18,166,941 2 3 .000201352 RANDOM TOTALS: 156,082,434 161,794,743 74 2,614 CATG D1 EXCEPTION VALUES: 987,891 951,475 TOTAL TEST VALUES (4): 157,070,325 162,746,218 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 8,137,311 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 154,608,907 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 157,070,325 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 170,883,529 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 154,618,930 (SEE ISD SUMMARY WORKSHEET) SOURCES: (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430 (2) NUMBER OF PARCELS SAMPLED BY STAFF (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES
